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Mechanical drum

A mechanical and turn-up rod technology, applied in the field of mechanical drums, can solve the problems of poor performance of all-steel mechanical drums

Pending Publication Date: 2021-11-23
MESNAC +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The main purpose of the present invention is to provide a mechanical drum to solve the problem of poor performance of all-steel mechanical drums in the prior art

Method used

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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs.

[0028] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the parts themselves in the vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" refer to the inner and outer relative to the outline of each component itself, but the above orientation words ...

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Abstract

The invention provides a mechanical drum. The mechanical drum comprises a main shaft assembly, a locking ring assembly and two turn-up assemblies, wherein the main shaft assembly is sleeved with the locking ring assembly and the turn-up assemblies respectively; the two turn-up assemblies are symmetrically arranged at two sides of the locking ring assembly, and each turn-up assembly comprises a plurality of first turn-up rods, a plurality of second turn-up rods and a driving device; the first turn-up rods are arranged in the circumferential direction of the main shaft assembly at intervals; the plurality of second turn-up rods are arranged in the circumferential direction of the main shaft assembly at intervals; the first turn-up rods and the second turn-up rods are arranged at intervals, and the lengths of the second turn-up rods are greater than those of the first turn-up rods; and the driving device is in driving connection with the first turn-up rods and the second turn-up rods, so that the first turn-up rods and the second turn-up rods move relative to the main shaft assembly. The problem that in the prior art, an all-steel mechanical drum is poor in use performance is solved.

Description

technical field [0001] The invention relates to the field of tire production equipment, in particular to a mechanical drum. Background technique [0002] The all-steel mechanical drum relies on the turn-up rod to turn up the sidewall, and after turning up, it will leave deep marks on the sidewall after rolling by the turn-up rod and roller. After the tire is vulcanized, the interior is filled with a certain air pressure, and there will be very obvious ups and downs on the sidewall of the tire, which is called the "red sun" phenomenon in the industry. [0003] Existing all-steel mechanical drums, whether they are double-rod mechanical drums or single-rod mechanical drums, all use long turn-up rods to turn up the sidewalls in one go. When the long turn-up bar turns up the sidewall, because the turn-up bar is relatively long, the angle of the turn-up bar is small when the sidewall is turned up, which causes the axial pressure of the turn-up bar on the sidewall to be large, and...

Claims

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Application Information

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IPC IPC(8): B29D30/24B29D30/26B29D30/32
CPCB29D30/24B29D30/26B29D30/32
Inventor 官炳政李兴瑞俞一航徐彦虎胡勐张继锋
Owner MESNAC
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